#pragma once



#include <iostream>


#define Die(code)   \
    do              \
    {               \
        exit(code); \
    } while (0)

#define CONV(v) (struct sockaddr *)(v)

enum 
{
    USAGE_ERR = 1,
    SOCKET_ERR,
    BIND_ERR,
    LISTEN_ERR
};

const int gdefaultsockfd = -1;
const int gbacklog = 8;

bool ParseOneLine(std::string& str,std::string& out,const std::string& sep)
{
    if(str.size()<3)
        return false;
    auto pos = str.find(sep);
    if(pos == std::string::npos)
        return false;
    out = str.substr(0,pos);
    str.erase(0,pos + sep.size());
    return true;
}
//解析 key value字符串
bool SplitString(const std::string& header,const std::string& sep,std::string& key,std::string& value)
{
    auto pos = header.find(sep);
    if(pos == std::string::npos)
        return false;
    key = header.substr(0,pos);
    value = header.substr(pos+sep.size());
    return true;
}